// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

/*
 * ConstantString.h
 *
 *  Created on: Dec 2, 2009
 *      Author: dhovemey
 */

#ifndef CONSTANTSTRING_H_
#define CONSTANTSTRING_H_

#include <string>
#include "vm/Constant.h"

/**
 * A string Constant.
 */
class ConstantString : public Constant {
private:
	std::wstring m_value;

	ConstantString(const ConstantString &);
	ConstantString& operator=(const ConstantString &);

public:
	/** Default constructor. */
	ConstantString();

	/**
	 * Constructor.
	 * @param value the string value of the Constant
	 */
	ConstantString(const std::wstring &value);

	/** Destructor. */
	virtual ~ConstantString();

	virtual uint8_t getTagByte() const;
	virtual std::wstring asString(ConstantPool *cp) const;
	virtual void accept(IConstantVisitor *visitor);
	virtual bool compare(const Constant *other) const;
	virtual void read(DataInputStream *in);
	virtual void write(DataOutputStream *out) const;

	/** Get the string value of this Constant. */
	const std::wstring &getData() const { return m_value; }
};

#endif /* CONSTANTSTRING_H_ */
